JUNGHANS 609.71BrandJUNGHANSCaliber609.71Size13 1/2FunctionFunk-Ana-DigiVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryVN 1616 AkWatchpartsPart NocaliberdescriptionoriginalArtno.4000Electronic module.BSolarfeld60971-2710946609712710.BSolarfeld60971-2700946609712700